so im using the server version and im issuing out user names to workers. im only having them tag images and i wanted to know if there is function where i can limit the user from NOT being able to delete an image(s) . does this function exist with in the user management module?

Users can be assigned the role of Administrator, Catalog Manager, or Catalog Browser. Since you want the users to tag the images you should assign them the Catalog Manager role. As Catalog Manager you can't further restrict them.

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will there be consideration in the future to add additional functionality to user roles as i believe restricting a user from deleting photos is key when working with multiple people using the same catalog and or a password protect pop up window is also an idea . wishful thinking .